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Ships within 48 hours · Estimated delivery Aug 30 - Sep 4
Reliable Actuation: 120V/60Hz Fail-safe normally closed operation prevents accidental flow during power loss
persistent yellow tipping
While cleaning with soft materials is sometimes possible
Compatible with all Selectra Series 14 modulation systems for seamless direct-fired heating control
maintaining safe and efficient burner ignition across all HVAC heating systems
Armstrong International C5490 Air Vent 30067439-890 Reliable Actuation: 120V/60Hz Fail-safe normallyThe Armstrong International C5490 (functionally identical to the TAVB 2) is a high performance stainless steel thermostatic air vent and vacuum breaker designed to optimize steam system efficiency. Engineered for pressures up to 150 PSI, this dual function HVACR component features a 1 2" NPT air vent connection and a 3 8" NPT vacuum breaker inlet. By automatically discharging air and non condensable gases during start up and operation, it prevents
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